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Flight Reliability

DL 5742 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5742 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

80%
Arrive within 15 minutes
5 min
Average arrival delay
4.6%
Cancelled
8 min early
Median arrival delay

Based on 520 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(70 flights)
  • Tue70%(76 flights)
  • Wed85%(80 flights)
  • Thu84%(81 flights)
  • Fri82%(79 flights)
  • Sat85%(34 flights)
  • Sun80%(76 flights)
On-time by departure window
  • 6–9 AM88%(200 flights)
  • 9 AM–12 PM82%(206 flights)
  • 12–3 PM60%(90 flights)
On-time trend by month
79%
May

Jun 87% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%47
July 202589%52
August 202596%44
September 202574%27
October 202540%25
November 202574%23
December 202575%28
January 202692%50
February 202679%47
March 202671%55
April 202686%42
May 202679%56
Departures on time
88%
Diverted
0%
Flights flown
496
Months covered
12

Keep nerding

Based on 520 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.